Sustainable computing has emerged as a critical field of study, addressing the environmental impact of computing systems through innovations in software, hardware, and algorithms. This systematic literature review consolidates recent advancements across these domains, focusing on energy-efficient software design, sustainable hardware architectures, and algorithmic optimizations. The review identifies key trends, such as low-carbon software engineering, processing-in-memory (PIM) architectures, and AI-driven energy management, while also highlighting the growing importance of green cloud computing, circular computing, and policy-driven sustainability initiatives. Despite significant progress,... More >